``Fannie Mae and Freddie Mac have drawn almost $190 billion in taxpayer aid since they were taken into conservatorship in September of 2008 when investments in risky loans pushed them to the brink of insolvency. They've paid a combined $50 billion in dividends back to the U.S. Treasury. The companies own or guarantee $5.2 trillion of mortgages, more than half the outstanding U.S. home loans.''